00391nam a2200145 a 450000100080000000500110000800800410001910000800006024500130014026000280015330000100018165300110019165300220020265300210022410031121997-07-15       1963    bl uuuu     u01u1 u    #d1 aREUNIAO DA SOCIEDADE BRASILEIRA DE ECONOMISTAS RURAIS, 3, 1962, Vicosa, MG.  aAnais...  aVicosa, MG: SOBERc1963  a384p.  aBRASIL  aECONOMIA AGRICOLA  aSOCIOLOGIA RURAL